How do you get the codes to unlock dinosaurs in battle of giants dinosaurs strike

Neo ankylosarus is 13579 or Neo edmontonia is 90817. If you want more, keep looking...
Here are most bar one.
90817
18963
10927
04629
03275
09182
16948
13579
18275
25378
23071
20135
23587
28169
27139
31946
74312
51274
43782
37452
46135
69281
62584
73096
86420
81726
75139
84570
93245